Claude-coded Valheim mod rebuilds Ocarina of Time's Kokiri Forest from your own ROM
Any-Explanation3814 · reddit · 2026-11-10
A developer had Claude write an entire Valheim mod that recreates Kokiri Forest and the Deku Tree from Ocarina of Time as a playable world. The mod ships no Zelda assets: you point it at your own ROM, and it pulls level geometry, collision, actor positions, text, cutscene cameras and music from the zeldaret/oot decompilation, rebuilding everything with Valheim's terrain, textures, plants and lighting — closer to a remaster than a 1:1 copy.
What Claude actually built:
- A small N64 display list interpreter turning models into textured meshes
- Collision-floor-to-terrain conversion with Valheim texture swaps
- Ports of Link's moves, enemies (Deku Babas, Skulltulas, Deku Scrubs, Gohma larvae) and puzzles from the decomp's C code into C#
- Frame-by-frame cutscene replay, plus music rendered from the ROM's sequences and soundfonts
- A tiny command file (teleport, screenshots, log reading) letting Claude control and test the game by itself
Playable now: title screen, intro, Kokiri Forest with NPCs and original texts, Kokiri Sword, and the Deku Tree up to burning the web. Queen Gohma and beyond aren't done yet. MIT-licensed on GitHub; requires Valheim + BepInEx, a GameCube EU Collector's Edition ROM, and Linux/WSL for building.
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